Malicious Impacket SMBexec Service Registration - Native (via security)
- Product
- windows
- Service
- security
- Author
- HuntRule
- Published
- 2026-08-25
- Updated
- 2026-08-28
ATT&CK techniques
Persistence → Defense EvasionRecon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact
What it detects
This rule detects register the SMBexec service to estasblish persistence. Note that service registration is not always performed and that is recommended to use the related registry SYSMON rule to increase detection reliability.
Reporting behind it
- attack.mitre.orghttps://attack.mitre.org/techniques/T1112/
- attack.mitre.orghttps://attack.mitre.org/techniques/T1543/003/
- github.comhttps://github.com/SecureAuthCorp/impacket/blob/master/examples/smbexec.py
- nv2lt.github.iohttps://nv2lt.github.io/windows/smb-psexec-smbexec-winexe-how-to/
- ultimatewindowssecurity.comhttps://www.ultimatewindowssecurity.com/securitylog/encyclopedia/event.aspx?eventID=4697
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.
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